Noncontrolling Interest in Subsidiaries (Tables)

3 Months Ended

Mar. 31, 2017

Noncontrolling Interest [Abstract]

Noncontrolling Interest in Net Assets of Subsidiaries

	December 31, 2016		March 31, 2017
	(In millions)
Noncontrolling interest in net assets:
Kronos Worldwide	$	134.5	$	140.7
NL Industries		44.3		45.9
CompX International		16.4		16.7
BMI		24.6		24.7
LandWell		23.7		23.8
Total	$	243.5	$	251.8

Schedule of Noncontrolling Interest in Net Income (Loss) of Subsidiaries

	Three months ended March 31,
	2016			2017
	(In millions)
Noncontrolling interest in net income (loss) of subsidiaries:
Kronos Worldwide	$	(.8	)	$	7.2
NL Industries		(.4	)		1.4
CompX International		.3			.4
BMI		(1.4	)		—
LandWell		(.2	)		.1
Total	$	(2.5	)	$	9.1